Finding the Fourth Proportional to 147,543,601.60, 221,315,402.40 and 143,292,073.60
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Solution
The fourth proportional to 147,543,601.60, 221,315,402.40 and 143,292,073.60 is: 214,938,110.40
Step by Step Solution
- Step 1: Write the proportion equation
147,543,601.60 : 221,315,402.40 = 143,292,073.60 : x - Step 2: Convert to fraction form
147,543,601.60/221,315,402.40 = 143,292,073.60/x - Step 3: Cross multiply
147,543,601.60x = 221,315,402.40 × 143,292,073.60 - Step 4: Simplify right side
147,543,601.60x = 31,712,742,929,514,416 - Step 5: Solve for x
x = 31,712,742,929,514,416/147,543,601.60 - Step 6: Final answer
x = 214,938,110.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.